22758380 has 12 divisors (see below), whose sum is σ = 47792640. Its totient is φ = 9103344.

The previous prime is 22758377. The next prime is 22758389. The reversal of 22758380 is 8385722.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22758380.

It is not an unprimeable number, because it can be changed into a prime (22758389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 568940 + ... + 568979.

It is an arithmetic number, because the mean of its divisors is an integer number (3982720).

Almost surely, 2^22758380 is an apocalyptic number.

22758380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22758380 is an abundant number, since it is smaller than the sum of its proper divisors (25034260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22758380 is a wasteful number, since it uses less digits than its factorization.

22758380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137928 (or 1137926 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 22758380 is about 4770.5743888970. The cubic root of 22758380 is about 283.3873422609.

The spelling of 22758380 in words is "twenty-two million, seven hundred fifty-eight thousand, three hundred eighty".